Security device integration device (tunnel face 932 security device sub-machine)

CN310038197SActive Publication Date: 2026-06-19CHINA RAILWAY NO 3 GRP CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
CHINA RAILWAY NO 3 GRP CO LTD
Filing Date
2025-10-22
Publication Date
2026-06-19

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Abstract

1. Name of the product in this design: Security Equipment Integration Device (932 Security Equipment Sub-unit for Tunnel Face). 2. Application of this design: for safety monitoring in tunnel scenarios, monitoring changes in the concentration of rising and sinking light gases in tunnels, triggering alarms and enabling one-button emergency calls. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
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